Texas Instruments

LMH6644MTX/NOPB  

OP Amps, Buffer Amps ICs

The LMH6644MTX/NOPB is a high-performance, differential input, single-ended output audio amplifier from Texas Instruments. This device is specifically designed to meet the demands of high-fidelity audio applications, such as professional audio systems, home theater systems, and high-end audio equipment.

Description:

The LMH6644MTX/NOPB is a monolithic integrated circuit that features a fully differential input stage, a high-speed differential input buffer, and a single-ended output stage. This device is offered in a thermally enhanced 28-lead Multi-Watt package (MTX) with a lead-free (RoHS-compliant) finish.

Features:

1. Differential Input Stage: The LMH6644MTX/NOPB features a fully differential input stage that provides excellent common-mode rejection and reduces the impact of external interference.
2. High-Speed Differential Input Buffer: The device includes a high-speed differential input buffer that ensures accurate signal transmission and minimal distortion.
3. Single-Ended Output Stage: The single-ended output stage is designed to provide high output current capability and low output impedance, making it suitable for driving a wide range of audio loads.
4. Wide Supply Voltage Range: The LMH6644MTX/NOPB operates over a wide supply voltage range of 4.75V to 18V, allowing for easy integration into various audio systems.
5. Low Power Consumption: The device offers low power consumption, making it suitable for battery-powered applications.
6. High Output Current: The LMH6644MTX/NOPB can deliver up to 3.5A of output current, making it suitable for driving high-power audio loads.
7. Thermal Protection: The device features thermal shutdown and over-temperature warning protection to ensure safe operation and prevent damage due to overheating.

Applications:

1. Professional Audio Systems: The LMH6644MTX/NOPB is ideal for use in professional audio systems, such as mixing consoles, amplifiers, and preamplifiers, where high-fidelity audio performance is crucial.
2. Home Theater Systems: The device is suitable for home theater systems, providing high-quality audio amplification for multi-channel speakers and subwoofers.
3. High-End Audio Equipment: The LMH6644MTX/NOPB can be used in high-end audio equipment, such as power amplifiers, headphone amplifiers, and active speakers, where audio quality and performance are paramount.
4. Automotive Audio Systems: The device can be used in automotive audio systems to provide high-quality audio amplification for in-car entertainment systems.
5. Portable Audio Devices: The LMH6644MTX/NOPB can be used in portable audio devices, such as portable amplifiers and high-quality audio players, where low power consumption and high audio performance are essential.

In summary, the LMH6644MTX/NOPB from Texas Instruments is a high-performance audio amplifier designed for professional and high-fidelity audio applications. Its differential input stage, high-speed buffer, and single-ended output stage make it an excellent choice for a wide range of audio systems, from professional audio equipment to home theater systems and portable audio devices.

LMH6644MTX/NOPB Documents

Download datasheets and manufacturer documentation for LMH6644MTX/NOPB

PCN Assembly/Origin :

Mult Devices Rev 13/Mar/2018      

Datasheets :

LMH6642 Datasheet      

PCN Packaging :

Device Symbolization Change 13/Jun/2023       Packing Material Revision A 19/May/2015      

PCN Design/Specification :

Copper Base Metal 16/Mar/2015       Qualification TSSOP Devices 27/Sep/2013